CVEs-PoC/2020/CVE-2020-26264.md

### [CVE-2020-26264](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26264)
![](https://img.shields.io/static/v1?label=Product&message=go-ethereum&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400%20Uncontrolled%20Resource%20Consumption&color=brighgreen)

### Description

Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth before version 1.9.25 a denial-of-service vulnerability can make a LES server crash via malicious GetProofsV2 request from a connected LES client. This vulnerability only concerns users explicitly enabling les server; disabling les prevents the exploit. The vulnerability was patched in version 1.9.25.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/VPRLab/BlkVulnReport
- https://github.com/demining/Solidity-Forcibly-Send-Ether-Vulnerability